Question: SQL language 5 points Suppose we have the following relational model: Movie(mov_id(PK), title, yr) Person(pid(PK), fname, Iname, gender) Acts_In(actor_id(PFK), movie_id(PFK), role) -- actor_id references Person,

SQL language

SQL language 5 points Suppose we have the following relational model: Movie(mov_id(PK),

5 points Suppose we have the following relational model: Movie(mov_id(PK), title, yr) Person(pid(PK), fname, Iname, gender) Acts_In(actor_id(PFK), movie_id(PFK), role) -- actor_id references Person, movie_id references Movie If you want to query a count of how many movies each actor acted in each year, you should include the following in the query: SELECT COUNT(mov_id), COUNT(yr) FROM Movie M1, Person P1, Movie M2, Person P2 GROUP BY pid, yr GROUP BY pid

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!